000 00322nam a2200133 a 4500
005 20140412111300.0
008 001120s19uu xx 00 eng d
050 _aTR(GS 371.3
_bCo67 1992
245 _aColour wheel.
300 _a1 v. (unp.)
650 _aColor - testing materials
999 _c103347
_d103347